DIGESTION!
 
 
II. Digestion <ul><li>_____________________ – Physically breaking down food. </li></ul><ul><li>_____________________  - us...
Mechanical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
Chemical  Digestion
<ul><li>Humans use HYDROCHLORIC ACID to aid in their chemical digestion </li></ul><ul><li>>Show Video< </li></ul>
C. Steps in Digestion <ul><li>1. ________________: Both mechanical and chemical digestion </li></ul>Mouth
Digestion  Begins  in the Mouth
Food goes DOWN the Esophagus <ul><li>Peristalsis – contracting of muscles to push food throughout a body </li></ul>
<ul><li>3. __________________ - Both mechanical and chemical digestion </li></ul>Stomach
Food ends up in the stomach
Stomach  <ul><li>The stomach is lined with  mucus . The mucus protects the smooth muscles from  HYDROCHLORIC ACID , a chem...
4 . Small Intestine – chemical digestion - ___________ long a. ________ - finger like projections b. Absorption takes plac...
Villi in Small Intestine
 
Small Intestine <ul><li>MORE SURFACE AREA = MORE ABSORPTION </li></ul>
<ul><li>5. _____________ - Largest organ – chemical factory </li></ul><ul><li>a. _____________ - stores bile </li></ul><ul...
LIVER! <ul><li>Liver – Largest Organ – Chemical Factory – Produces BILE </li></ul>
Gall Bladder <ul><li>Gall Bladder – Stores Bile </li></ul><ul><li>The bile breaks down fats into smaller pieces.  </li></ul>
<ul><li>6.  _____________  - breaks down starches, proteins and fats </li></ul>Pancreas
<ul><li>The pancreas produces insulin. A hormone that helps digest sugars.  </li></ul><ul><li>Diabetes </li></ul>
<ul><li>7. __________________________ - 1 ½ meters long </li></ul><ul><li>a. absorption of water </li></ul>Large Intestine
 
 
LIVER ESOPHAGUS STOMACH PANCREAS GALL  BLADDER LARGE INTESTINE SMALL INTESTINE
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Digestion!

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Digestion!

  1. 1. DIGESTION!
  2. 4. II. Digestion <ul><li>_____________________ – Physically breaking down food. </li></ul><ul><li>_____________________ - uses chemical reactions to break down food. </li></ul>MECHANICAL DIGESTION CHEMICAL DIGESTION
  3. 5. Mechanical Digestion
  4. 6. Chemical Digestion
  5. 7. Chemical Digestion
  6. 8. Chemical Digestion
  7. 9. Chemical Digestion
  8. 10. Chemical Digestion
  9. 11. Chemical Digestion
  10. 12. Chemical Digestion
  11. 13. Chemical Digestion
  12. 14. Chemical Digestion
  13. 15. Chemical Digestion
  14. 16. Chemical Digestion
  15. 17. Chemical Digestion
  16. 18. Chemical Digestion
  17. 19. Chemical Digestion
  18. 20. Chemical Digestion
  19. 21. Chemical Digestion
  20. 22. Chemical Digestion
  21. 23. Chemical Digestion
  22. 24. Chemical Digestion
  23. 25. Chemical Digestion
  24. 26. Chemical Digestion
  25. 27. Chemical Digestion
  26. 28. <ul><li>Humans use HYDROCHLORIC ACID to aid in their chemical digestion </li></ul><ul><li>>Show Video< </li></ul>
  27. 29. C. Steps in Digestion <ul><li>1. ________________: Both mechanical and chemical digestion </li></ul>Mouth
  28. 30. Digestion Begins in the Mouth
  29. 31. Food goes DOWN the Esophagus <ul><li>Peristalsis – contracting of muscles to push food throughout a body </li></ul>
  30. 32. <ul><li>3. __________________ - Both mechanical and chemical digestion </li></ul>Stomach
  31. 33. Food ends up in the stomach
  32. 34. Stomach <ul><li>The stomach is lined with mucus . The mucus protects the smooth muscles from HYDROCHLORIC ACID , a chemical that breaks down food. </li></ul><ul><li>Ulcers </li></ul>
  33. 35. 4 . Small Intestine – chemical digestion - ___________ long a. ________ - finger like projections b. Absorption takes place 6 meters VILLI
  34. 36. Villi in Small Intestine
  35. 38. Small Intestine <ul><li>MORE SURFACE AREA = MORE ABSORPTION </li></ul>
  36. 39. <ul><li>5. _____________ - Largest organ – chemical factory </li></ul><ul><li>a. _____________ - stores bile </li></ul><ul><li>b. Bile breaks down fats into smaller pieces </li></ul>Liver Gall Bladder
  37. 40. LIVER! <ul><li>Liver – Largest Organ – Chemical Factory – Produces BILE </li></ul>
  38. 41. Gall Bladder <ul><li>Gall Bladder – Stores Bile </li></ul><ul><li>The bile breaks down fats into smaller pieces. </li></ul>
  39. 42. <ul><li>6. _____________ - breaks down starches, proteins and fats </li></ul>Pancreas
  40. 43. <ul><li>The pancreas produces insulin. A hormone that helps digest sugars. </li></ul><ul><li>Diabetes </li></ul>
  41. 44. <ul><li>7. __________________________ - 1 ½ meters long </li></ul><ul><li>a. absorption of water </li></ul>Large Intestine
  42. 47. LIVER ESOPHAGUS STOMACH PANCREAS GALL BLADDER LARGE INTESTINE SMALL INTESTINE
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